Techniques for sharing sensor messages in sidelink communications

By determining the sight stopping distance of nearby vehicles from basic safety messages, the 5G wireless communication system can enforce high-reliability transmission of sensor-related messages, addressing the challenge of timely information delivery and enhancing driving safety.

EP4208861B1Active Publication Date: 2025-05-14QUALCOMM INC
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Patent Information

Application Number
EP2021778312
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-08-31
Filing Date
2021-09-01
Publication Date
2025-05-14
Estimated Expiration
2041-09-01

AI Technical Summary

Technical Problem

Current 5G wireless communication technologies lack a mechanism for determining the appropriate distance for enforcing high-reliability transmission of sensor-related messages in sidelink communications, which is crucial for ensuring timely reception of safety-critical information by nearby vehicles.

Method used

A vehicle can determine the sight stopping distance (SSD) of nearby receiving vehicles based on information from basic safety messages (BSMs), and use this SSD to compute an appropriate range for enforcing high-reliability transmission of sensor-related messages, such as warnings of obstacles in the driving path.

Benefits of technology

This approach enhances driving safety by ensuring that nearby vehicles receive critical sensor-related messages with sufficient time to react, thereby improving both human-driven and autonomous vehicle safety.

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Abstract

Some aspects described herein relate to detecting, for a first vehicle, presence of an obstacle in a driving path of a vehicle, determining, for a second vehicle, a sight stopping distance between the second vehicle and the obstacle, and transmitting, to the second vehicle and where the sight stopping distance is within a threshold, a message including a notification of the obstacle.
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Citation Information

Patent Citations

  • Vehicle braking assist device and vehicle braking assist method

    US20120022759A1

  • Method and apparatus for preventing collision between objects

    US20180151077A1